Urethane Thumb Slugs

Vise Inserts Urethane Easy Thumb Slug Easy 100% Urethane Thumb Slugs for Bowling Ball Easy to carve leaving a quick, clean release. Drill Sizes: 1-1/8, 1-1/4 & 1-3/8 Colors: Yellow, White, Pink, Green, Orange, Blue, Grape, Black,...